Home / 54,989,045.20-82,571,695.80-43,723,176.40

Finding the Fourth Proportional to 54,989,045.20, 82,571,695.80 and 43,723,176.40

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Solution

The fourth proportional to 54,989,045.20, 82,571,695.80 and 43,723,176.40 is: 65,654,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,989,045.20 : 82,571,695.80 = 43,723,176.40 : x
  2. Step 2: Convert to fraction form
    54,989,045.20/82,571,695.80 = 43,723,176.40/x
  3. Step 3: Cross multiply
    54,989,045.20x = 82,571,695.80 × 43,723,176.40
  4. Step 4: Simplify right side
    54,989,045.20x = 3,610,296,821,110,539
  5. Step 5: Solve for x
    x = 3,610,296,821,110,539/54,989,045.20
  6. Step 6: Final answer
    x = 65,654,837.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.